High-performance Python for AutoCAD automation and ObjectARX. A modern, fast replacement for pyautocad and ActiveX/COM.

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  • License: GNU Lesser General Public License v3 (LGPLv3) (GNU LESSER GENERAL PUBLIC LICENSE)
  • Author: PyRx Dev Team
  • Tags automation , ObjectARX , automation-script , high-performance , AutoCAD , BricsCAD , GStarCAD , ZwCAD , CAD , dwg , dxf , Python , Wrappers , ARX , BRX , GRX , ZRX
  • Requires: Python <3.13.0, >=3.12.0
  • Provides-Extra: dev , ptrepl
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Project description

CAD-PyRx

Python for AutoCAD & Clones

CAD-PyRx is an ObjectARX module that exposes ObjectARX methods to Python, CAD-PyRx also exposes CAD's ActiveX API. Currently supported platforms are AutoCAD® 2023-2027, BricsCAD® V24-V26, GStarCAD® 2024-2026, and ZwCAD® 2025-2027

Features

  • uses wxPython for the GUI, support for Palette and Dialogs
  • degugpy to easily step through and debug your code
  • Jig, Overrule, Point monitor and other advanced tools
  • readDwgFile to open and manipulate side databases
  • import other python modules such as pandas

Installation

  • Install Python 3.12 as shown here
  • Install from PyPI (here):
    pip install cad-pyrx
  • Install from the trunk:
    python -m pip install git+https://github.com/CEXT-Dan/PyRx.git
  • Uninstall:
    python -m pip uninstall cad-pyrx

Use APPLOAD command or the startup suite to load PyRx in CAD application, example: Note: if you are using a VENV, this path may differ, it will be loacated where you installed it

_APPLOAD
%localappdata%\Programs\Python\Python312\Lib\site-packages\pyrx\RxLoaderZ26.0.zrx
or
RxLoader24.2.arx = 2023
RxLoader24.3.arx = 2024
RxLoader25.0.arx = 2025
RxLoader25.1.arx = 2026
RxLoader26.0.arx = 2027
RxLoaderV26.0.brx = BricsCAD v26

Sample

# use prefix PyRxCmd_ to define a command called doit1
def PyRxCmd_doit1():
    try:
        db = Db.curDb()
        filter = [(Db.DxfCode.kDxfStart, "LINE")]
        ps, ss = Ed.Editor.select(filter)
        if ps != Ed.PromptStatus.eOk:
            return

        lines = [Db.Line(id) for id in ss.objectIds()]
        for line in lines:
            print(line.startPoint().distanceTo(line.endPoint()))

    except Exception as err:
        traceback.print_exception(err)

# or use decorator to define a command called doit2
@Ap.Command("doit2", Ap.CmdFlags.kMODAL)
def function_setlayer():
    try:
        db = Db.curDb()
        ps, id, _ = Ed.Editor.entSel("\nSelect a line: ", Db.Line.desc())
        if ps != Ed.PromptStatus.eOk:
            return

        # all DbObjects accept an ID in the constructor
        # line is garbage collected and closed
        line = Db.Line(id, Db.OpenMode.kForWrite)
        line.setLayer("0")

    except Exception as err:
        traceback.print_exception(err)

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  • License: GNU Lesser General Public License v3 (LGPLv3) (GNU LESSER GENERAL PUBLIC LICENSE)
  • Author: PyRx Dev Team
  • Tags automation , ObjectARX , automation-script , high-performance , AutoCAD , BricsCAD , GStarCAD , ZwCAD , CAD , dwg , dxf , Python , Wrappers , ARX , BRX , GRX , ZRX
  • Requires: Python <3.13.0, >=3.12.0
  • Provides-Extra: dev , ptrepl
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This version

2.2.51.5395

2.2.50.5368

2.2.49.5339

2.2.48.5317

2.2.47.5305

2.2.46.5276

2.2.45.5251

2.2.44.5216

2.2.43.5167

2.2.42.5136

2.2.41.5071

2.2.40.5058

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